fact (EN)

noun, interjection

noun “fact”

1. something that is real or known to be true
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   We initially doubted her claim, but later discovered it was a fact when we saw the official documents.
2. a piece of information used as evidence or as a basis for further interpretation
   Before we decide on the project plan, let's examine the facts collected by the research team.
3. information about something, especially the real conditions or circumstances
   She spent hours memorizing historical facts for the upcoming quiz about the American Civil War.

interjection “fact”

1. used to introduce a statement as unquestionably trustworthy or accurate
   Fact: humans cannot survive without water for more than a few days, so it's crucial to stay hydrated.